Aerial View Workers Installing Underground Sewage System on a Construction Site

Looped Video: No, Frame Rate: 60, Resolution: 3840x2160, Video Encoding: H.264, File Size: 113.76MB, Number of Clips: 1, Total Clip(s) Length: 00:12, Source Audio: Yes

Observe the process of installing an underground sewage system on a large construction site.

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